diff --git a/test/cycle/namespace/immutable/c.js b/test/cycle/namespace/immutable/c.js
deleted file mode 100644
index 7dcaea4a1..000000000
--- a/test/cycle/namespace/immutable/c.js
+++ /dev/null
@@ -1,3 +0,0 @@
-"use strict"
-
-exports.a = "a"
diff --git a/test/cycle/namespace/immutable/a.mjs b/test/cycle/namespace/immutable/cjs/a.mjs
similarity index 100%
rename from test/cycle/namespace/immutable/a.mjs
rename to test/cycle/namespace/immutable/cjs/a.mjs
diff --git a/test/cycle/namespace/immutable/b.mjs b/test/cycle/namespace/immutable/cjs/b.mjs
similarity index 82%
rename from test/cycle/namespace/immutable/b.mjs
rename to test/cycle/namespace/immutable/cjs/b.mjs
index 96d0dbe94..3d2ce8726 100644
--- a/test/cycle/namespace/immutable/b.mjs
+++ b/test/cycle/namespace/immutable/cjs/b.mjs
@@ -6,6 +6,6 @@ const ns = getNS()
 
 assert.strictEqual(inspect(ns), "[Module] { default: <uninitialized> }")
 assert.strictEqual(Reflect.isExtensible(ns), true)
-assert.strictEqual(Reflect.defineProperty(ns, "b", { value: "b" }), false)
+assert.strictEqual(Reflect.defineProperty(ns, "ADDED", { value: 1 }), false)
 assert.strictEqual(inspect(ns), "[Module] { default: <uninitialized> }")
 assert.strictEqual(Reflect.preventExtensions(ns), false)
diff --git a/test/cycle/namespace/immutable/cjs/c.js b/test/cycle/namespace/immutable/cjs/c.js
new file mode 100644
index 000000000..737655b6d
--- /dev/null
+++ b/test/cycle/namespace/immutable/cjs/c.js
@@ -0,0 +1,3 @@
+"use strict"
+
+exports.c = "c"
diff --git a/test/cycle/namespace/immutable/re-export/a.mjs b/test/cycle/namespace/immutable/re-export/a.mjs
new file mode 100644
index 000000000..67540e38d
--- /dev/null
+++ b/test/cycle/namespace/immutable/re-export/a.mjs
@@ -0,0 +1,6 @@
+import "./b.mjs"
+import * as ns from "./c.mjs"
+
+export function getNS() {
+  return ns
+}
diff --git a/test/cycle/namespace/immutable/re-export/b.mjs b/test/cycle/namespace/immutable/re-export/b.mjs
new file mode 100644
index 000000000..fadb788d8
--- /dev/null
+++ b/test/cycle/namespace/immutable/re-export/b.mjs
@@ -0,0 +1,11 @@
+import assert from "assert"
+import { inspect } from "util"
+import { getNS } from "./a.mjs"
+
+const ns = getNS()
+
+assert.strictEqual(inspect(ns), "[Module] {}")
+assert.strictEqual(Reflect.isExtensible(ns), true)
+assert.strictEqual(Reflect.defineProperty(ns, "ADDED", { value: 1 }), false)
+assert.strictEqual(inspect(ns), "[Module] {}")
+assert.strictEqual(Reflect.preventExtensions(ns), false)
diff --git a/test/cycle/namespace/immutable/re-export/c.mjs b/test/cycle/namespace/immutable/re-export/c.mjs
new file mode 100644
index 000000000..7f7583ebe
--- /dev/null
+++ b/test/cycle/namespace/immutable/re-export/c.mjs
@@ -0,0 +1,3 @@
+export * from "./d.js"
+export * from "./e.mjs"
+export * from "./f.js"
diff --git a/test/cycle/namespace/immutable/re-export/d.js b/test/cycle/namespace/immutable/re-export/d.js
new file mode 100644
index 000000000..4388ac106
--- /dev/null
+++ b/test/cycle/namespace/immutable/re-export/d.js
@@ -0,0 +1,3 @@
+"use strict"
+
+exports.d = "d"
diff --git a/test/cycle/namespace/immutable/re-export/e.mjs b/test/cycle/namespace/immutable/re-export/e.mjs
new file mode 100644
index 000000000..ec19d1ab8
--- /dev/null
+++ b/test/cycle/namespace/immutable/re-export/e.mjs
@@ -0,0 +1 @@
+export const e = "e"
diff --git a/test/cycle/namespace/immutable/re-export/f.js b/test/cycle/namespace/immutable/re-export/f.js
new file mode 100644
index 000000000..e5c5330e8
--- /dev/null
+++ b/test/cycle/namespace/immutable/re-export/f.js
@@ -0,0 +1,3 @@
+"use strict"
+
+exports.f = "f"
diff --git a/test/cycle/namespace/mutable/c.js b/test/cycle/namespace/mutable/c.js
deleted file mode 100644
index 7dcaea4a1..000000000
--- a/test/cycle/namespace/mutable/c.js
+++ /dev/null
@@ -1,3 +0,0 @@
-"use strict"
-
-exports.a = "a"
diff --git a/test/cycle/namespace/mutable/a.js b/test/cycle/namespace/mutable/cjs/a.js
similarity index 100%
rename from test/cycle/namespace/mutable/a.js
rename to test/cycle/namespace/mutable/cjs/a.js
diff --git a/test/cycle/namespace/mutable/b.js b/test/cycle/namespace/mutable/cjs/b.js
similarity index 80%
rename from test/cycle/namespace/mutable/b.js
rename to test/cycle/namespace/mutable/cjs/b.js
index 317f44591..612ba4dce 100644
--- a/test/cycle/namespace/mutable/b.js
+++ b/test/cycle/namespace/mutable/cjs/b.js
@@ -6,6 +6,6 @@ const ns = getNS()
 
 assert.strictEqual(inspect(ns), "[Module] {}")
 assert.strictEqual(Reflect.isExtensible(ns), true)
-assert.strictEqual(Reflect.defineProperty(ns, "b", { value: "b" }), false)
+assert.strictEqual(Reflect.defineProperty(ns, "ADDED", { value: 1 }), false)
 assert.strictEqual(inspect(ns), "[Module] {}")
 assert.strictEqual(Reflect.preventExtensions(ns), false)
diff --git a/test/cycle/namespace/mutable/cjs/c.js b/test/cycle/namespace/mutable/cjs/c.js
new file mode 100644
index 000000000..737655b6d
--- /dev/null
+++ b/test/cycle/namespace/mutable/cjs/c.js
@@ -0,0 +1,3 @@
+"use strict"
+
+exports.c = "c"
diff --git a/test/cycle/namespace/mutable/re-export/a.js b/test/cycle/namespace/mutable/re-export/a.js
new file mode 100644
index 000000000..2a1ba1d7f
--- /dev/null
+++ b/test/cycle/namespace/mutable/re-export/a.js
@@ -0,0 +1,6 @@
+import "./b.js"
+import * as ns from "./c.js"
+
+export function getNS() {
+  return ns
+}
diff --git a/test/cycle/namespace/mutable/re-export/b.js b/test/cycle/namespace/mutable/re-export/b.js
new file mode 100644
index 000000000..612ba4dce
--- /dev/null
+++ b/test/cycle/namespace/mutable/re-export/b.js
@@ -0,0 +1,11 @@
+import assert from "assert"
+import { inspect } from "util"
+import { getNS } from "./a.js"
+
+const ns = getNS()
+
+assert.strictEqual(inspect(ns), "[Module] {}")
+assert.strictEqual(Reflect.isExtensible(ns), true)
+assert.strictEqual(Reflect.defineProperty(ns, "ADDED", { value: 1 }), false)
+assert.strictEqual(inspect(ns), "[Module] {}")
+assert.strictEqual(Reflect.preventExtensions(ns), false)
diff --git a/test/cycle/namespace/mutable/re-export/c.js b/test/cycle/namespace/mutable/re-export/c.js
new file mode 100644
index 000000000..56e763767
--- /dev/null
+++ b/test/cycle/namespace/mutable/re-export/c.js
@@ -0,0 +1,3 @@
+export * from "./d.js"
+export * from "./e.js"
+export * from "./f.js"
diff --git a/test/cycle/namespace/mutable/re-export/d.js b/test/cycle/namespace/mutable/re-export/d.js
new file mode 100644
index 000000000..4388ac106
--- /dev/null
+++ b/test/cycle/namespace/mutable/re-export/d.js
@@ -0,0 +1,3 @@
+"use strict"
+
+exports.d = "d"
diff --git a/test/cycle/namespace/mutable/re-export/e.js b/test/cycle/namespace/mutable/re-export/e.js
new file mode 100644
index 000000000..ec19d1ab8
--- /dev/null
+++ b/test/cycle/namespace/mutable/re-export/e.js
@@ -0,0 +1 @@
+export const e = "e"
diff --git a/test/cycle/namespace/mutable/re-export/f.js b/test/cycle/namespace/mutable/re-export/f.js
new file mode 100644
index 000000000..e5c5330e8
--- /dev/null
+++ b/test/cycle/namespace/mutable/re-export/f.js
@@ -0,0 +1,3 @@
+"use strict"
+
+exports.f = "f"
diff --git a/test/misc-tests.js b/test/misc-tests.js
index bca21959e..778831034 100644
--- a/test/misc-tests.js
+++ b/test/misc-tests.js
@@ -1083,8 +1083,17 @@ describe("miscellaneous tests", () => {
     it("should support namespace objects of cyclical CJS modules", () =>
       Promise
         .all([
-          "./cycle/namespace/immutable/a.mjs",
-          "./cycle/namespace/mutable/a.js"
+          "./cycle/namespace/immutable/cjs/a.mjs",
+          "./cycle/namespace/mutable/cjs/a.js"
+        ]
+        .map((request) => import(request)))
+    )
+
+    it("should defer finalization of ESM namespace objects containing re-exports of CJS modules", () =>
+      Promise
+        .all([
+          "./cycle/namespace/immutable/re-export/a.mjs",
+          "./cycle/namespace/mutable/re-export/a.js"
         ]
         .map((request) => import(request)))
     )